7961072347 has 8 divisors (see below), whose sum is σ = 7975221696. Its totient is φ = 7946937792.

The previous prime is 7961072323. The next prime is 7961072359. The reversal of 7961072347 is 7432701697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7961072347 - 2³¹ = 5813588699 is a prime.

It is a super-4 number, since 4×7961072347⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7961072297 and 7961072306.

It is not an unprimeable number, because it can be changed into a prime (7961072047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658583 + ... + 1663375.

It is an arithmetic number, because the mean of its divisors is an integer number (996902712).

Almost surely, 2^7961072347 is an apocalyptic number.

7961072347 is a deficient number, since it is larger than the sum of its proper divisors (14149349).

7961072347 is a wasteful number, since it uses less digits than its factorization.

7961072347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7397.

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 7961072347 is about 89224.8415353034. The cubic root of 7961072347 is about 1996.7507529722.

The spelling of 7961072347 in words is "seven billion, nine hundred sixty-one million, seventy-two thousand, three hundred forty-seven".